SYMA S107 Total Tear-Down Photographed - RC Groups
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Apr 01, 2010, 04:02 PM

SYMA S107 Total Tear-Down Photographed
This is a simple copter, and its design is based on a lot of similar machines. Even if you own some other copter, you will still find this enlightening.
Last edited by killbucket; Aug 04, 2011 at 02:25 PM. Reason: all photos by killbucket, all hosted at the air-sharp site.
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Apr 02, 2010, 08:48 AM
May as well continue this with how to re-finish the parts, because that's what I'm planning today!
We'll need Windex, adhesion promoter spray (used for pre-coating vehicle bumpers with), masking tape, copper wire, wood skewers, paint.

Pics coming in a bit...
Apr 02, 2010, 09:26 AM
North East England
Nice autopsy and pics. It's a pity some of the shops and websites describe this as a 'toy' helicopter, when it's so obviously a well-engineered miniature flying machine.

If you haven't already got a paint scheme in mind, a 'tiger stripe' scheme would look good, I recall seeing a full-size US F-16 done like this and it looked great.

Apr 02, 2010, 09:30 AM
Registered User
Inacio 23's Avatar
Hi Killbucket, I'm from Brazil, and bought my S107 2 weeks ago, It is cool. But, I want upgrade it. I think in put the mobile battery, put in below, for don't disestablish. My question is: the battery have 1200 mAh, this will burn the board?

Apr 02, 2010, 09:41 AM
Last edited by killbucket; Dec 24, 2010 at 08:03 PM.
Apr 02, 2010, 09:59 AM
Registered User
Inacio 23's Avatar
Hummm... Ok, I will make tests and post here.

Do You have idea for How upgrade battery?


PS: sorry for cross-post.
Apr 02, 2010, 10:33 AM
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Inacio 23's Avatar
Yess, I want see How!!!
Apr 02, 2010, 10:34 AM
Last edited by killbucket; Dec 24, 2010 at 08:03 PM.
Apr 02, 2010, 10:40 AM
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Inacio 23's Avatar
Humm.. I Dont understand. =(
Apr 02, 2010, 10:43 AM
Registered User
I figured you bought a few more. That is the easiest way increase the flying time!

Can you read any of the markings on the parts on the pcb?
Apr 02, 2010, 10:59 AM
Only the few seen in the pics.

More flying time wanted, get more copters.

Much easier than playing engineer, and DEFINITELY spending more looking for the 'right combo' (it won't be the first or third try that works, trust me)..
Apr 10, 2010, 02:25 PM

Put it back together now.

Last edited by killbucket; Dec 24, 2010 at 08:03 PM. Reason: pics by killbucket, hosted at air-sharp.
Apr 14, 2010, 10:36 PM
Registered User
kb, referencing photo #6 in post #1 where you say "Pull the lower blade set and head off; it's a press-fit.", just how hard did you have to pull on the lower blade set to get it off?

I pulled as hard as I dared but couldn't get mine off. Does the shaft go through the drive gear?

Apr 14, 2010, 10:53 PM

Yes, it presses onto the

Last edited by killbucket; Dec 24, 2010 at 08:03 PM.
Apr 14, 2010, 11:44 PM
Registered User

The problem was that the rotor head was loose on the shaft so I couldn't use that to twist with (that was the part I had to fix).

Do you think the lower rotor head is glued to the shaft during initial assembly?


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